When using a pump up sprayer 1 how do you get the powder to desolve so it doesn't plug up the tip tried hot tap water didnt work had a hot water machine (doing my own carpet to practice) that did it but it is set for 212 degrees. Can you pre desolve at home for the day and mix when you get to the job? And 2 About how many square feet can you pre spray per gallon of mix?
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